From aa50d3206d169ffa9f673ce7b8096d2ac2c77cda Mon Sep 17 00:00:00 2001
From: Aayush Sabharwal <aayush.sabharwal@juliahub.com>
Date: Tue, 21 Nov 2023 11:09:39 +0530
Subject: [PATCH] refactor: implement new `hasname` function from SII

---
 src/variable.jl | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/variable.jl b/src/variable.jl
index 4d09212ab..b2b3d3880 100644
--- a/src/variable.jl
+++ b/src/variable.jl
@@ -409,6 +409,12 @@ getsource(x, val=_fail) = getmetadata(unwrap(x), VariableSource, val)
 SymbolicIndexingInterface.symbolic_type(::Type{<:Symbolics.Num}) = ScalarSymbolic()
 SymbolicIndexingInterface.symbolic_type(::Type{<:Symbolics.Arr}) = ArraySymbolic()
 
+SymbolicIndexingInterface.hasname(x::Union{Num,Arr}) = hasname(unwrap(x))
+
+function SymbolicIndexingInterface.hasname(x::Symbolic)
+    issym(x) || !istree(x) || istree(x) && (issym(operation(x)) || operation(x) == getindex)
+end
+
 SymbolicIndexingInterface.getname(x, val=_fail) = _getname(unwrap(x), val)
 
 function getparent(x, val=_fail)